问题
选择题
You ______ use your mobile on the plane, but you ______ listen to music.[ ]
A. must not; can
B. cannot ; must
C. must not; must
D. can; cannot
答案
答案：A
搜题请搜索小程序“爱下问搜题”
You ______ use your mobile on the plane, but you ______ listen to music.[ ]
A. must not; can
B. cannot ; must
C. must not; must
D. can; cannot
答案：A